EPA Air · stack tests by county and year
Air-emissions stack tests in Mason County, Michigan, 2018
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Mason County, Michigan during 2018. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Mason County facility page.
Mason County, Michigan, 2018
Air-emissions stack tests in Mason County, other years
Air-emissions stack tests recorded in Mason County, Michigan, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-06-18 | OCCIDENTAL CHEMICAL CORPORATION | Pass | State |
| 2018-05-04 | OCCIDENTAL CHEMICAL CORPORATION | Pass | State |
| 2018-03-01 | OCCIDENTAL CHEMICAL CORPORATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.